FIELD: process engineering.
SUBSTANCE: invention relates to abrasive processing and may be used in manual grinding machines, primarily, vibrogrinding machines, for tensioning emery paper. Proposed machine comprises platform, appliances to clamp opposite edges of emery paper arranged on platform, and rigid thrust element. First resilient-elastic clamps may displace together with clamped emery paper edge from opposite emery paper edge clamped by second clamps. First clamps in extreme position of tensioning are pressed in pre-stressed state to aforesaid rigid thrust element.
EFFECT: stable position of first clamps that rules out spontaneous vibrations of operating machine reduced its wear and ups quality of grinding.
9 cl, 4 dwg
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